Powdered tea product and process for production
US3976804A · kind A · utility
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1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1974 |
| Grant date | Aug 24, 1976 |
| Priority date | — |
| Expiry date | Oct 21, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23F3/225
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
Dried tea flakes are prepared by vacuum drum drying. A tea extract having a solids content of 40 to 55% is applied to a drum in a film having a thickness of up to 0.09 centimeters. The drum is maintained at an internal temperature of 95.degree. to 125.degree.C. Water is evaporated from the film under vacuum of 3 to 15 Tor or in 10 to 150 seconds to result in dried product having an apparent density of less than 12 grams per 100cc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.